The latest release of the IBM Connections Desktop Plug-in gives you the possibility to customise the branding strings and the images of the connector.
Following screenshots show you a branding example: Read more
The reading of some recent Blog posts on customizing the Richtext Editor of IBM Connections
– Activate and customize “Table of contents” macro in IBM Connections Wiki thx to @Stoeps
– Tutorial – Extending the IBM Connections Rich Text Editor thx to @IBMRockStar
gave me a good starting point to add some custom functionality to the RTE.